Electrical Machines In a transformer, hysteresis and eddy current losses depend upon supply frequency both 2 and 3 load current maximum flux density supply frequency both 2 and 3 load current maximum flux density ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards main pole. Saddle shape. Peaky in nature. Triangular and directed towards brush axis. Triangular and directed towards main pole. Saddle shape. Peaky in nature. Triangular and directed towards brush axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 2HZ 2.5Hz 1 Hz 50Hz 2HZ 2.5Hz 1 Hz 50Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? ∞ a positive finite value 0 a finite negative value ∞ a positive finite value 0 a finite negative value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole chamfering pole stacking All of these compensating winding pole chamfering pole stacking All of these compensating winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two transformers operating in parallel will share the load depending on their ratings efficiency leakage reactance per unit impedance ratings efficiency leakage reactance per unit impedance ANSWER DOWNLOAD EXAMIANS APP
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